Alert archive / Michigan / Beach Hazards Statements in 2021

Beach Hazards Statement 3, NWS Detroit, MI

July 2, 2021Huron County, Saint Clair County, Sanilac County, Michigan

NWS Detroit, MI issued this beach hazards statement at Jul 2, 2021, 4:05 AM EDT for Huron County, Saint Clair County, Sanilac County, Michigan. It was in force for 18 hr.

The area

The counties it named.

The facts

Issued
Jul 2, 2021, 4:05 AM EDT (08:05 UTC)
Expired
Jul 2, 2021, 10:00 PM EDT
In force
18 hr
Issued by
NWS Detroit, MI

Counties Huron County, MI, Saint Clair County, MI, Sanilac County, MI

The radar

The Detroit radar (KDTX), 101 km from the middle of the area, began a volume at 08:06 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Detroit, MI (KDTX), launched 00:00Z, 8.1 hours before the alert went out and 98 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Detroit, MI at 00:00Z on 2021-07-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 226 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Detroit, MI at 00:00Z on 2021-07-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 12 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
226 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
1216 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
12 m²/s²
0-3 km storm-relative helicity
82 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

523 
WHUS43 KDTX 020805
CFWDTX

Coastal Hazard Message
National Weather Service Detroit/Pontiac MI
405 AM EDT Fri Jul 2 2021

MIZ049-055-063-030200-
/O.NEW.KDTX.BH.S.0003.210702T0805Z-210703T0200Z/
Huron-Sanilac-St. Clair-
405 AM EDT Fri Jul 2 2021

...BEACH HAZARDS STATEMENT IN EFFECT THROUGH THIS EVENING...

* WHAT...High wave action and dangerous swimming conditions
  expected.

* WHERE...Huron, Sanilac and St. Clair Counties.

* WHEN...Through this evening.

* IMPACTS...Strong currents can pull swimmers into deeper water.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid hazardous swimming conditions.

&&

$$
1 follow-up statement
272 
WHUS43 KDTX 030147
CFWDTX

Coastal Hazard Message
National Weather Service Detroit/Pontiac MI
947 PM EDT Fri Jul 2 2021

MIZ049-055-063-030300-
/O.EXP.KDTX.BH.S.0003.000000T0000Z-210703T0200Z/
Huron-Sanilac-St. Clair-
947 PM EDT Fri Jul 2 2021

...BEACH HAZARDS STATEMENT WILL EXPIRE AT 10 PM EDT THIS
EVENING...

Rip current risk has diminished along the Thumb coastline waters,
along with decreasing waves. Thus, the Beach Hazards Statement
will be allowed to expire.

$$

Nearby

Beach Hazards Statements in Michigan, 2021Every beach hazards statement in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.